<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>메인프레임</title>
</head>
<frameset rows='100,*'>
	<frame src='a.html'/>
	<frameset cols='400,*'>
		<frame src='b.html'/>
		<frame src='c.html' name='c'/>	
	</frameset>
</frameset>
</html>